Synonyms: Agaricus contortilis, Agaricus farinaceus, Agaricus tortilis, Clitocybe tortilis, Collybia tortilis, Omphalia laccata, Omphalia tortilis.
Common name: twisted deceiver.
Russian name: Lakovitsa izognutaya.
Laccaria tortilis is a small to medium-sized agaric fungus with a twisted, wavy cap and slender stem. In St. Petersburg and Leningrad Oblast, it typically fruits from July to October in coniferous and mixed forests, often associated with mosses and lichens. In north-western Russia, it has been found in similar habitats, including sphagnum bogs and heathlands, where it can form mycorrhizal relationships with various tree species, such as spruce and pine. The fungus is relatively common in these regions, but its distribution can be scattered and localized.
Observations of Laccaria tortilis were made in various locations throughout Leningrad Oblast and north-western Russia. In Sosnovka Park, the fungus was found in a swampy area on August 28, 2016, and again on July 19, 2017. It was also spotted near Lembolovo on August 27, 2017, growing alongside red berries of Fly honeysuckle. Further sightings occurred in Tarkhovka near Sestroretsk on September 22, 2017, both inland and near the Gulf. The fungus was also found on a forest road near Lisiy Nos on August 26, 2018, and in a dried marshy site in West Kotlin Nature Reserve on September 2, 2018. These observations suggest that Laccaria tortilis can thrive in a range of environments, from swampy areas to forest roads and dried marshes. The fungus appears to be relatively common in the region, with multiple sightings across several years.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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